CN216715819U - Single-stage progressive centralized lubricating system - Google Patents
Single-stage progressive centralized lubricating system Download PDFInfo
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- CN216715819U CN216715819U CN202122832117.4U CN202122832117U CN216715819U CN 216715819 U CN216715819 U CN 216715819U CN 202122832117 U CN202122832117 U CN 202122832117U CN 216715819 U CN216715819 U CN 216715819U
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Abstract
The utility model discloses a single-stage progressive centralized lubricating system, which adopts an electric grease pump with multiple oil discharge ports to be matched with progressive sub-distributors to form the single-stage progressive centralized lubricating system, wherein the oil discharge port of each multi-head plunger electric grease pump is directly connected with one progressive sub-distributor, the electric grease pump can simultaneously supply oil to the progressive sub-distributors when in work, and a pipeline protection mechanism is arranged between each oil discharge port and each progressive sub-distributor; because only one stage of distributor is arranged and one oil discharge port only corresponds to one progressive sub-distributor, the pressure loss and the blocking frequency of the system are greatly reduced, and because the multi-head oil discharge port of the system discharges oil simultaneously, the oil supply quantity of a system terminal is greatly increased, and the lubricating requirements of engineering machinery such as a rotary drilling rig can be met; the utility model has the advantages of small pressure loss and large oil supply amount.
Description
Technical Field
The utility model belongs to the technical field of lubrication systems of rotary drilling rigs, and particularly relates to a single-stage progressive centralized lubrication system.
Background
At present, a known centralized lubricating system of a rotary drilling rig is a multi-stage progressive centralized lubricating system: the controller sends an instruction to the lubricating pump unit according to the set working time and the set rest time, the lubricating pump motor drives the cam, the cam drives the plunger to work, pressure grease is conveyed to the distributor through the main oil pipeline, the grease is distributed through the distributor and is injected into a friction pair lubricating point through the oil distribution pipeline. And after the displacement sensor in the mother distributor senses the displacement, a displacement signal is sent to the controller. After the controller receives the displacement signal, the lubrication system is judged to work normally, and automatic control operation is carried out. The lubricating pump provides pressure lubricating grease to enter the main distributor through the main oil pipe, the pressure lubricating grease is discharged out of a plurality of paths after being distributed by the oil distribution valve core, then enters the sub-distributor, and is discharged to a lubricating point after being distributed by the sub-distributor. When the oil pump works continuously, the sub-distributors can distribute oil repeatedly according to the sequence of progressive oil distribution.
The system is characterized by selecting a progressive dispenser and an electric grease pump suitable for the progressive dispenser, wherein the progressive dispenser comprises a progressive female dispenser and a progressive male dispenser. The whole system is composed of different levels of the parent distributor and the child distributor. The working mode is that the electric grease pump supplies oil to the main distributor in different time periods, the main distributor sequentially supplies oil to the sub-distributors in different levels, and when one lubricating point is blocked, the whole system is paralyzed.
China (CN104676230B) discloses a progressive centralized lubrication system and a method for detecting faults of the lubrication system. The lubricating system comprises a pump station, a mother distributor group, N (N >1) sub distributor groups, an alarm indicating device, a connecting pipeline and a two-position three-way valve arranged on the corresponding pipeline, wherein the two-position three-way valve comprises an oil inlet end, an oil outlet end and an oil return end, a working passage of the two-position three-way valve is formed when the oil inlet end is communicated with the oil outlet end, and an oil discharge passage of the two-position three-way valve is formed when the oil inlet end is communicated with the oil return end. The technical problems that the lubricating system plug detection work is complex, time-consuming, labor-consuming and high in cost are solved. However, pressure loss at the oil supply point of the multi-stage oil supply system is serious and easy to block, lubricating oil is discharged from one lubricating oil supply port of the electric grease pump, oil discharge is slow, and the oil discharge amount of each terminal lubricating point is small.
The main problems of the multi-stage progressive centralized lubrication system in the prior art are that: 1. due to the existence of a multi-stage system, under the condition that the system pressure exists in the main distributor, the multi-stage sub-distributor and the longer connecting pipeline, the pressure loss is serious, and the distributor is often blocked; 2. because the working mode of the multistage progressive centralized lubricating system is that the oil is sequentially and progressively supplied in a circulating manner, when one lubricating point is blocked, the whole system is paralyzed; 3. because the lubricating oil is pumped by a lubricating oil supply port of the electric grease pump and then is distributed to each level of sub-distributors by the main distributor, the oil outlet is slow, and the oil outlet amount of each terminal lubricating point is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a single-stage progressive centralized lubricating system with small pressure loss, smooth oil path and large oil supply amount aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a single-stage progressive centralized lubricating system, includes electronic grease pump, electronic grease pump is connected with the controller that starts and stops, be equipped with a plurality of oil extraction port on the electronic grease pump, every the oil extraction port has one progressive sub-distributor, every through oil pipeline lug connection respectively the oil extraction port with all be provided with pipeline protection mechanism, every between the progressive sub-distributor oil pipeline is connected with the lubricated oil feed mouth of a plurality of respectively, oil pipeline with the oil extraction port progressive sub-distributor lubrication is supplied between the oil feed mouth and is the detachable connection.
In the scheme, the single-stage progressive centralized lubricating system comprises an electric grease pump, wherein the electric grease pump is connected with a start-stop controller, the start-stop controller is used for controlling the start-stop of the electric grease pump, so that the oil output of each point is controlled, a plurality of oil discharge ports are arranged on the electric grease pump, each oil discharge port is directly connected with a progressive sub-distributor through an oil conveying pipeline, a mother distributor is not arranged, the progressive sub-distributors are used as terminals for distributing oil, the progressive sub-distributors are respectively connected with a plurality of oil discharge ports, the problem that the whole oil supply system cannot work when the oil supply system is partially blocked is avoided, meanwhile, the oil supply efficiency is improved through multi-port oil supply, the oil discharge amount is increased, a pipeline protection mechanism is arranged between each oil discharge port and the progressive sub-distributors, and the pressure at the inlet of the progressive sub-distributors is monitored through the pipeline protection mechanism, need maintain or change progressive sub-distributor when pressure rises to the certain degree, every progressive sub-distributor passes through respectively oil pipeline is connected with the lubricated oil feeding mouth of a plurality of, and lubricated oil feeding mouth is connected to the position that the machine needs to be lubricated, transports lubricating oil to appointed position through lubricated oil feeding mouth and lubricates, and accessible screw thread is connected, oil pipeline with the oil extraction port progressive sub-distributor lubrication is between the oil feeding mouth be detachable and is connected, conveniently maintains and dismantles the part.
The rotary drilling rig is high in working device and large in lubricating oil demand. In order to reduce the blockage fault and increase the oil supply amount, the utility model provides a single-stage progressive centralized lubricating system which can reduce the pressure loss, reduce the blockage fault and increase the pumping of the oil supply amount.
A single-stage progressive centralized lubricating system is formed by matching a multi-head plunger electric grease pump with progressive sub-distributors, an oil outlet of each multi-head plunger electric grease pump is connected with one sub-distributor, and the electric grease pump can supply oil to the sub-distributors simultaneously when working. Since there is only one stage and one oil outlet corresponds to only one sub-distributor, the pressure loss of the system and the clogging frequency are greatly reduced. Because the multi-head oil outlets of the system discharge oil at the same time, the oil supply quantity at the system terminal is greatly increased, and the lubricating requirements of the rotary drilling rig and other engineering machinery can be met.
Furthermore, the electric grease pump is of a multi-head plunger type structure, and an oil level alarm is arranged on the electric grease pump.
The electric grease pump is of a multi-head plunger type structure, the outlet pressure is large, the discharge capacity is adjustable, an oil level alarm is arranged on the electric grease pump to monitor the working condition of the electric grease pump, and an alarm is given in time when the electric grease pump works abnormally.
Further, the pipeline protection mechanism is an overflow valve or a first hydraulic pressure sensor.
The pipeline protection mechanism is an overflow valve or a first hydraulic sensor, is easy to set, and can play a role in protecting a pipeline and detecting the oil pressure entering the distributor.
Furthermore, oil filters are detachably arranged on the oil conveying pipeline between the oil discharge port and the progressive sub-distributor, and the pipeline protection mechanism is arranged between the progressive sub-distributor and the oil filters.
The oil extraction port with between the progressive sub-distributor equal detachable is provided with the grease filter on the oil pipeline, filters the grease that gets into progressive sub-distributor, reduces impurity to the jam of progressive sub-distributor, prolongs its working life, pipeline protection mechanism sets up progressive sub-distributor with between the grease filter, to progressive sub-distributor with the biggest oil pressure between the grease filter detects and controls, prevents that pressure is too big to cause the system unusual.
Further, a second hydraulic pressure sensor is arranged at an oil discharge port of the progressive sub-distributor.
The oil drain port of the progressive sub-distributor is provided with a second hydraulic sensor, the second hydraulic sensor can be arranged on a key pipeline as required, the oil pressure at the position is monitored, and the fault position can be quickly found out for processing when a problem occurs.
Furthermore, the two ends of each oil pipeline section are provided with threaded connectors for detachable connection.
Every section oil pipeline's both ends are provided with threaded connection head and carry out detachable and connect, and threaded connection head conveniently dismantles and installs, connects stably, the maintenance and the change of the part of being convenient for.
Furthermore, the oil pipeline is provided with a branch pipeline, and the branch pipeline is detachably connected with the lubricating oil supply port.
Be provided with the lateral conduit on the oil pipeline, lateral conduit detachable is connected with lubricated fuel feeding port lubricates the less position of lubricating oil demand, is fit for the more condition in lubricated position, distributes the lubricated oil mass at different positions as required.
Furthermore, the branch pipeline is connected to the oil pipeline through a multi-way connector.
The branch pipeline is connected on the oil conveying pipeline through the multi-way connector, and the branch pipeline can be installed or disassembled as required, so that the number of lubricating oil supply ports is conveniently adjusted.
Furthermore, a differential pressure indicating valve or a differential pressure sensor is arranged between the longest flow passage oil outlet of the progressive sub-distributor and the oil inlet thereof.
A pressure difference indicating valve or a pressure difference sensor is arranged between the longest runner oil outlet of the progressive sub-distributor and the oil inlet of the longest runner oil outlet, the longest runner oil outlet of the progressive sub-distributor is blocked most easily, the diameter of the longest runner of the distributor can be reduced gradually in the using process, the oil pressure at the longest runner can be increased gradually, the pressure difference indicating valve or the pressure difference sensor is arranged to monitor the blocking condition, and the progressive sub-distributor is maintained or replaced after the pressure difference reaches a certain value.
Compared with the prior art, the utility model has the beneficial effects that:
1. the oil outlet efficiency is high, and the oil pumping efficiency is improved by adopting a structure that a multi-head oil pump is directly connected with a plurality of progressive sub-distributors;
2. the pressure loss is small, the blocking problem is few, a mother distributor is not needed, a structure that a single-stage distributor is directly connected with an oil supply point is adopted to replace an oil supply structure of a multi-stage distributor, and the situation that one oil supply point blocks the whole system and cannot work is avoided;
3. the oil supply amount and the number of lubricating points of the device can be adjusted to meet the requirements of different machines;
4. simple structure, low cost and convenient operation and maintenance.
Drawings
FIG. 1 is a schematic structural diagram of a single-stage progressive centralized lubrication system according to the present invention;
FIG. 2 is a schematic view of the progressive sub-distributor portion of the present invention;
in the figure: 1. an electric grease pump; 2. an oil pipeline; 3. a progressive sub-dispenser; 4. lubricating the oil supply port; 5. a grease filter; 6. an overflow valve; 7. a second hydraulic pressure sensor; 8. a multi-way connector.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, a single-stage progressive centralized lubricating system, including electronic grease pump 1, electronic grease pump 1 is connected with the controller that opens and shuts, be equipped with a plurality of oil extraction port on the electronic grease pump 1, every the oil extraction port has one progressive sub-distributor 3, every through 2 lug connection of oil pipeline respectively the oil extraction port with all be provided with pipeline protection mechanism, every between progressive sub-distributor 3 passes through respectively oil pipeline 2 is connected with the lubricated oil feed mouth 4 of a plurality of, oil pipeline 2 with the oil extraction port progressive sub-distributor 3 lubricated between the oil feed mouth 4 is the detachable connection.
In the scheme, the single-stage progressive centralized lubricating system comprises an electric grease pump 1, wherein the electric grease pump 1 is connected with a start-stop controller, the start-stop of the electric grease pump 1 is controlled, so that the oil output of each point is controlled, a plurality of oil discharge ports are arranged on the electric grease pump 1, each oil discharge port is directly connected with a progressive sub-distributor 3 through an oil conveying pipeline 2, a mother distributor is not required to be arranged, the progressive sub-distributors 3 are respectively connected through a plurality of oil discharge ports, the problem that the whole oil supply system cannot work when the oil supply system is partially blocked is avoided, meanwhile, the oil supply efficiency is improved through multi-port oil supply, the oil discharge amount is increased, a pipeline protection mechanism is arranged between each oil discharge port and the progressive sub-distributor 3, and the pressure at the inlet of the progressive sub-distributor 3 is monitored through the pipeline protection mechanism, need maintain or change progressive sub-distributor 3 when pressure rises to a certain extent progressive sub-distributor 3, every progressive sub-distributor 3 passes through respectively oil pipeline 2 is connected with the lubricated oil feeding mouth 4 of a plurality of, and lubricated oil feeding mouth 4 is connected to the lubricated position of machine needs, transports lubricating oil to appointed position through lubricated oil feeding mouth 4 and lubricates, and the accessible screw thread is connected, oil pipeline 2 with the oil extraction port progressive sub-distributor 3 be detachable connection between the lubricated oil feeding mouth 4, conveniently maintains and dismantles the part.
The rotary drilling rig is high in working device and large in lubricating oil demand. In order to reduce the blockage fault and increase the oil supply amount, the utility model provides a single-stage progressive centralized lubricating system which can reduce the pressure loss, reduce the blockage fault and increase the pumping of the oil supply amount.
A single-stage progressive centralized lubricating system is formed by matching the multi-head plunger electric grease pump 1 with progressive sub-distributors, an oil outlet of each multi-head plunger electric grease pump 1 is connected with one sub-distributor, and the electric grease pump 1 can supply oil to the sub-distributors simultaneously when in work. Since there is only one stage and one oil outlet corresponds to only one sub-distributor, the pressure loss of the system and the clogging frequency are greatly reduced. Because the multi-head oil outlets of the system discharge oil at the same time, the oil supply quantity at the system terminal is greatly increased, and the lubricating requirements of the rotary drilling rig and other engineering machinery can be met.
The electric grease pump 1 is a 4-head plunger electric grease pump 1. The sub-distributors total 27 points and 4 sub-distributors, wherein 7 outlet distributors, 5 outlet distributors and 8 outlet distributors are included.
The controller sends an instruction to the lubricating pump according to the set working time and the set rest time, the motor of the lubricating pump drives the cam, the cam drives the plunger to work, pressure grease is simultaneously conveyed to the 4 distributors through the main oil pipeline, the grease is distributed through the distributors, and the grease is injected into a friction pair lubricating point through the oil distribution pipeline.
Further, the electric grease pump 1 is of a multi-head plunger type structure, and an oil level alarm is arranged on the electric grease pump 1.
The electric grease pump 1 is of a multi-head plunger type structure, the outlet pressure is large, the discharge capacity is adjustable, an oil level alarm is arranged on the electric grease pump 1 to monitor the working condition of the electric grease pump 1, and an alarm is given in time when the electric grease pump works abnormally.
Further, the pipeline protection mechanism is an overflow valve 6 or a first hydraulic pressure sensor.
The pipeline protection mechanism is an overflow valve 6 or a first hydraulic sensor, is easy to set, and can play a role in protecting a pipeline and detecting the oil pressure entering the distributor.
Furthermore, the oil pipeline 2 between the oil discharge port and the progressive sub-distributor 3 is detachably provided with a grease filter 5, and the pipeline protection mechanism is arranged between the progressive sub-distributor 3 and the grease filter 5.
Oil extraction port with between the progressive sub-distributor 3 equal detachable is provided with grease filter 5 on the oil pipeline 2, filters the grease that gets into progressive sub-distributor 3, reduces impurity to the jam of progressive sub-distributor 3, prolongs its working life, pipeline protection mechanism sets up progressive sub-distributor 3 with between the grease filter 5, to progressive sub-distributor 3 with the biggest oil pressure between the grease filter 5 detects and controls, prevents that the too big system anomaly that causes of pressure.
Furthermore, each section of the oil conveying pipeline 2 is provided with threaded connectors at two ends for detachable connection.
Every section the both ends of oil pipeline 2 are provided with threaded connection head and carry out detachable and connect, and threaded connection head conveniently dismantles and installs, connects stably, the maintenance and the change of the part of being convenient for.
Furthermore, a branch pipeline is arranged on the oil pipeline 2, and the branch pipeline is detachably connected with the lubricating oil supply port 4.
Be provided with the lateral conduit on the oil pipeline 2, lateral conduit detachable is connected with lubricated fuel feeding port 4 lubricates the less position of lubricating oil demand, is fit for the more condition in lubricated position, distributes the lubricated oil mass at different positions as required.
Further, a differential pressure indicating valve or a differential pressure sensor is arranged between the longest flow passage oil outlet of the progressive sub-distributor 3 and the oil inlet thereof.
A pressure difference indicating valve or a pressure difference sensor is arranged between the longest runner oil outlet of the progressive sub-distributor 3 and the oil inlet of the longest runner oil outlet, the longest runner oil outlet of the progressive sub-distributor 3 is blocked most easily, the diameter of the longest runner of the distributor in the using process can be reduced gradually, the oil pressure at the longest runner can be increased gradually, the pressure difference indicating valve or the pressure difference sensor is arranged to monitor the blocking condition, and the progressive sub-distributor 3 is maintained or replaced after the pressure difference reaches a certain numerical value.
Example 2
As shown in fig. 2, the single-stage progressive centralized lubrication system of the present embodiment is further optimized based on embodiment 1:
furthermore, the branch pipeline is connected to the oil pipeline 2 through a multi-way connector 8.
The branch pipeline is connected on the oil conveying pipeline 2 through the multi-way connector 8, and the branch pipeline can be installed or disassembled as required, so that the number of the lubricating oil supply ports 4 can be adjusted conveniently.
Further, a second hydraulic pressure sensor 7 is disposed at an oil discharge port of the progressive sub-distributor 3.
The oil discharge port of the progressive sub-distributor 3 is provided with a second hydraulic sensor 7, the second hydraulic sensor 7 can be arranged on a key pipeline as required, the oil pressure at the position can be monitored, and the fault position can be quickly found out for processing when a problem occurs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a single-stage progressive centralized lubricating system, includes electronic grease pump, its characterized in that, electronic grease pump is connected with the start-stop controller, be equipped with a plurality of oil extraction port on the electronic grease pump, every the oil extraction port has a progressive sub-distributor, every through oil pipeline lug connection respectively the oil extraction port with all be provided with pipeline protection mechanism between the progressive sub-distributor, every progressive sub-distributor passes through respectively oil pipeline is connected with the lubricated oil feed mouth of a plurality of, oil pipeline with the oil extraction port progressive sub-distributor the lubrication is supplied and is detachable the connection between the oil feed mouth.
2. The system of claim 1, wherein the electric grease pump is of a multi-head plunger type structure, and an oil level alarm is arranged on the electric grease pump.
3. The single-stage progressive centralized lubrication system of claim 1, wherein the pipe protection mechanism is a relief valve or a first hydraulic pressure sensor.
4. The single-stage progressive centralized lubricating system of claim 3, wherein a grease filter is detachably disposed on the oil pipeline between the oil discharge port and the progressive sub-distributor, and the pipeline protection mechanism is disposed between the progressive sub-distributor and the grease filter.
5. The single stage progressive centralized lubrication system of claim 1, wherein a second hydraulic pressure sensor is disposed at an oil drain of the progressive sub-distributor.
6. The single-stage progressive centralized lubricating system of claim 1, wherein the two ends of each oil pipeline section are provided with threaded connectors for detachable connection.
7. The single-stage progressive centralized lubricating system of claim 1, wherein a branch pipeline is arranged on the oil pipeline, and the branch pipeline is detachably connected with the lubricating oil supply port.
8. The system of claim 7, wherein the branch conduits are connected to the oil delivery conduit by a multi-way connection.
9. The single-stage progressive centralized lubrication system according to claim 1, wherein a differential pressure indicating valve or a differential pressure sensor is arranged between the longest flow passage oil outlet of the progressive sub-distributor and the oil inlet thereof.
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| CN202122832117.4U CN216715819U (en) | 2021-11-18 | 2021-11-18 | Single-stage progressive centralized lubricating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780656A (en) * | 2022-10-19 | 2023-03-14 | 无锡普天铁心股份有限公司 | Automatic lubricating system for transverse shearing line |
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2021
- 2021-11-18 CN CN202122832117.4U patent/CN216715819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780656A (en) * | 2022-10-19 | 2023-03-14 | 无锡普天铁心股份有限公司 | Automatic lubricating system for transverse shearing line |
| CN115780656B (en) * | 2022-10-19 | 2023-08-22 | 无锡普天铁心股份有限公司 | Automatic lubrication system for transverse shearing lines |
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